public class RedCowForm {
  static String forName;
  RedCow cow;  //内部声明对象
  RedCowForm() {
  }
  RedCowForm(String s) {
     cow = new RedCow(150,112,5000);
     forName = s;
  }
  public void showCowMess() {
     cow.speak();
  }
  class RedCow { //内部类的声明
    String cowName = "红牛";
    int height,weight,price;
    RedCow(int h,int w,int p) {
       height = h;
       weight = w;
       price = p;
    }
    void speak() {
       System.out.println("偶是"+cowName+",身高:"+height+"cm 体重:"+weight+"kg,生活在"+forName);
    }
  }   //内部类结束
}     //外嵌类结束
